A 2-Bit Electronically Planar Reconfigurable Array Antenna with 2-D Beam-Scanning Capacity Using Hybrid Phase Control Method

Wang, M; Hu, N; Li, X; Mo, Y; Xie, W; Chen, Z; Chen, S; Tian, Z

A 2-Bit Electronically Planar Reconfigurable Array Antenna with 2-D Beam-Scanning Capacity Using Hybrid Phase Control Method

Wang, M Hu, N Li, X Mo, Y Xie, W Chen, Z Chen, S

Tian, Z

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Publisher:: Institute of Electrical and Electronics Engineers (IEEE)
Publication Type:: Journal Article
Citation:: IEEE Antennas and Wireless Propagation Letters, 2024, PP, (99), pp. 1-5
Issue Date:: 2024-01-01

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Field	Value	Language
dc.contributor.author	Wang, M
dc.contributor.author	Hu, N
dc.contributor.author	Li, X
dc.contributor.author	Mo, Y
dc.contributor.author	Xie, W
dc.contributor.author	Chen, Z
dc.contributor.author	Chen, S https://orcid.org/0000-0002-4275-0462
dc.contributor.author	Tian, Z
dc.date.accessioned	2024-02-24T14:00:56Z
dc.date.available	2024-02-24T14:00:56Z
dc.date.issued	2024-01-01
dc.identifier.citation	IEEE Antennas and Wireless Propagation Letters, 2024, PP, (99), pp. 1-5
dc.identifier.issn	1536-1225
dc.identifier.issn	1548-5757
dc.identifier.uri	http://hdl.handle.net/10453/175866
dc.description.abstract	A 2-bit electronically planar reconfigurable array antenna (PRAA) at Ku band is presented in this letter. The proposed PRAA element employs the hybrid phase control method to realize the reconfiguration of its radiation structure and feeding structure. The radiation structure is designed as a O-slot radiation patch integrated with two p-i-n diodes to obtain a 1-bit phase quantization. To obtain the 2-bit phase control ability, a digital phase shifter with two p-i-n diodes is integrated in the feeding structure to obtain additional 90° phase shifting. Then, a 4 × 4-element subarray is designed and simulated, which is fed by using an asymmetric 16-way stripline feeding network. To realize 2-D beam scanning, an 8 × 8-element PRAA prototype is fabricated and measured, which is composed of four subarrays stitched together. The measured gain of the pencil beam is 20.8 dBi at 12.2 GHz with aperture efficiency of 60.0%, while the 3-dB gain bandwidth is 13.9% (11.4 - 13.1 GHz). The measured results verify that the proposed PRAA has good 2-D beam scanning capability within ±45°. In addition, the height of the PPRA prototype is only 0.3λ<sub>0</sub>, which indicate this design has a highly integrated, planar, low-profile structure.
dc.language	en
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation.ispartof	IEEE Antennas and Wireless Propagation Letters
dc.relation.isbasedon	10.1109/LAWP.2024.3354260
dc.rights	info:eu-repo/semantics/embargoedAccess
dc.subject	0906 Electrical and Electronic Engineering, 1005 Communications Technologies
dc.subject.classification	Networking & Telecommunications
dc.subject.classification	4006 Communications engineering
dc.title	A 2-Bit Electronically Planar Reconfigurable Array Antenna with 2-D Beam-Scanning Capacity Using Hybrid Phase Control Method
dc.type	Journal Article
utslib.citation.volume	PP
utslib.for	0906 Electrical and Electronic Engineering
utslib.for	1005 Communications Technologies
pubs.organisational-group	University of Technology Sydney
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	embargoed	*
utslib.copyright.embargo	2026-01-01T00:00:00+1000Z
dc.date.updated	2024-02-24T14:00:54Z
pubs.issue	99
pubs.publication-status	Published
pubs.volume	PP
utslib.citation.issue	99

Abstract:

A 2-bit electronically planar reconfigurable array antenna (PRAA) at Ku band is presented in this letter. The proposed PRAA element employs the hybrid phase control method to realize the reconfiguration of its radiation structure and feeding structure. The radiation structure is designed as a O-slot radiation patch integrated with two p-i-n diodes to obtain a 1-bit phase quantization. To obtain the 2-bit phase control ability, a digital phase shifter with two p-i-n diodes is integrated in the feeding structure to obtain additional 90° phase shifting. Then, a 4 × 4-element subarray is designed and simulated, which is fed by using an asymmetric 16-way stripline feeding network. To realize 2-D beam scanning, an 8 × 8-element PRAA prototype is fabricated and measured, which is composed of four subarrays stitched together. The measured gain of the pencil beam is 20.8 dBi at 12.2 GHz with aperture efficiency of 60.0%, while the 3-dB gain bandwidth is 13.9% (11.4 - 13.1 GHz). The measured results verify that the proposed PRAA has good 2-D beam scanning capability within ±45°. In addition, the height of the PPRA prototype is only 0.3λ₀, which indicate this design has a highly integrated, planar, low-profile structure.

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http://hdl.handle.net/10453/175866